101 lines
4.2 KiB
Plaintext
101 lines
4.2 KiB
Plaintext
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# ****************************************************************************
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# CUI
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#
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# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
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#
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# The use, dissemination or disclosure of data in this file is subject to
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# limitation or restriction. See accompanying README and LICENSE for details.
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# ****************************************************************************
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###############################################################################
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# ------ UNCLASSIFIED ------
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# BLUE_ABM_TTR Radar
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#
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# This is the threat detection and tracking radar for blue_lr_sam
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###############################################################################
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#
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# ***** WARNING ***** WARNING ***** WARNING ***** WARNING ***** WARNING *****
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#
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# This definition is intended to be EXPORTABLE. It is defined using publicly
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# available, attributable sources. DO NOT ADD ANYTHING BASED ON OTHER SOURCES!
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#
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# ***** WARNING ***** WARNING ***** WARNING ***** WARNING ***** WARNING *****
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#
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###############################################################################
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#
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# References: (PDF files contained in the subdirectory blue_abm_ttr_ref)
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#
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# 1) Jane's JREW AN/TPY-2, 08-Jan-2009
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# a) X-band (8 to 12.5 GHz)
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# b) Trailer mounted, single faced 9.2 m^2 phased-array antenna with 25,344
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# solid-state transceiver modules
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# c) 1,000 km detection range.
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###############################################################################
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antenna_pattern BLUE_ABM_TTR_ANTENNA
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circular_pattern
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beamwidth 1.0 deg # Typical for phased-array tracker
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peak_gain 40.0 db # Typical for phased-array tracker
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end_antenna_pattern
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sensor BLUE_ABM_TTR WSF_RADAR_SENSOR
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# The antenna can be tilted to various angles. This is just a nominal value.
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pitch 45 deg
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frame_time 1 sec
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# This is just for culling purposes
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maximum_range 1100 km # Ref 1, plus a little slop
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electronic_beam_steering azimuth_and_elevation
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electronic_beam_steering_limit 70 deg # Typical for phased-array
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electronic_beam_steering_loss_exponent 1.4 # Typical for phased-array
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scan_mode azimuth_and_elevation
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azimuth_scan_limits -70 deg 70 deg # Same as steering limits
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elevation_scan_limits -70 deg 70 deg # Same as steering limits
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transmitter
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antenna_pattern BLUE_ABM_TTR_ANTENNA
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frequency 10 ghz # Ref 1, 8-12 ghz
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# Because nothing was specified about the power (other than the fact that it has
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# to be less than the 1.1 MW from the generator, which is also used for other needs)
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# a real value cannot be defined. But something that so the model can compute a
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# receiver noise power that results in a detection range of 1000 km.
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#
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# The actual power isn't important because passive detection of the transmitter is
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# not being considered.
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power 200 kw
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# We don't know anything else about the transmitted signal (pulse width, PRF,
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# pulse_compression), so nothing is supplied.
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end_transmitter
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receiver
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antenna_pattern BLUE_ABM_TTR_ANTENNA
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# We don't know anything about the receiver (noise figure, etc.) The effective
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# noise power is derived by the model to get the required nominal detection range.
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#
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# This will probably result in a ridiculously low effective noise power, but
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# because we don't know anything about the transmitted signal modulation, we just
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# have let it ride. It shouldn't be important because we aren't worried about jamming
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# or passive detection.
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end_receiver
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detection_threshold 12.8 db # Nominal Swerling case 1, Pd=0.5
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one_m2_detect_range 1000 km # Ref 1
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hits_to_establish_track 2 3
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hits_to_maintain_track 1 3
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reports_range
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reports_bearing
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reports_elevation
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reports_velocity
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reports_iff
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end_sensor
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